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gmwmx2 version 0.0.5

• Added a composable stochastic-model interface. Models are now built with wn(), ar1(), rw(), pl(), flicker(), and matern(), and independent components can be combined with +.
• Added gmwm2() for fitting stochastic models directly from a time series by matching empirical and theoretical wavelet variances. The returned gmwm2_fit objects include print and plot methods.
• Reworked gmwmx2() as an S3 generic. It now supports both the GNSS workflow for gnss_ts_ngl objects and a generic regression interface gmwmx2(X, y, model, ...) for arbitrary design matrices and response vectors, including responses with missing observations.
• Changed GNSS model specification from string labels such as stochastic_model = "wn + pl" to model objects such as model = wn() + pl() or model = wn() + flicker(). GNSS fit objects now use class gmwmx2_fit_gnss_ts_ngl and have updated print and plot methods.
• Added simulation utilities through generate() methods for single stochastic models, composite stochastic models, and two-state Markov missingness models created with markov_two_states().
• Added infrastructure for model parameter initialization, constrained parameter transformations, autocovariance evaluation, theoretical wavelet variance computation, and model-implied covariance matrices.
• Added random-walk covariance C++ routines and registered them through RcppExports.
• Expanded documentation and vignettes for data generation, composite stochastic model estimation, generic dependent-error regression, regression with missing observations, and GNSS time-series estimation.
• Updated package metadata for the new modeling stack, including the longmemo dependency and pkgdown website URL.

gmwmx2 version 0.0.4

• updated functions download_all_stations_ngl, download_estimated_velocities_ngl and download_station_ngl so that it exit gracefully if NGL server is not reachable.

gmwmx2 version 0.0.3

• Solve minor bug when creating design matrix if jumps or earthquakes are indicated after the last observation.

gmwmx2 version 0.0.2

• updated functions download_all_stations_ngl, download_estimated_velocities_ngl and download_station_ngl with new address of the NGL: https://geodesy.unr.edu and using httr2.

gmwmx2 version 0.0.1

first version

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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